Firmware updates are now available for the Panasonic DMC-G1 and DMC-GH1 micro four-third cameras. The updates enhance stability of auto exposure in the Panasonic Leica 45mm f/2.8 macro lens. It also improves autofocus in low contrast conditions, and in the GH1 version 1.2 update, decreases AF noise in the 20mm f/1.7 ‘pancake’ lens as well.